From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: <233fc0081d92808d03186c4093fadfb6@coraid.com> References: <8d11fee952ab7fc2b57d410bd848c1d3@quanstro.net> <233fc0081d92808d03186c4093fadfb6@coraid.com> Date: Fri, 10 Jul 2009 21:30:28 +0400 Message-ID: <1ddb44d0907101030m22536c82wbe3faddc56bfa1d3@mail.gmail.com> From: Eldar Tsraev To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [9fans] Keyboard and Mouse Topicbox-Message-UUID: 1ae5bd96-ead5-11e9-9d60-3106f5b1d025 Thanx a lot! That works. And where a newbie can find information like that. Some known bugs and etc? 2009/7/10 erik quanstrom : >> > This problem is well known, and seems to be >> > caused by HyperThreading on some CPU. >> > >> > Try to add the following line to "plan9.ini": >> > *nomp=3D1 >> > >> > It will solve this problem. >> >> hyperthreading? =A0that doesn't sound right. >> >> do you mean a bad mp interrupt table? > > you can avoid ht by setting *ncpu=3D1 in your > plan9.ini without disabling mp interrupts. > so it should be easy to say definitivly which > one causes the problem. > > as a further explainer, 8259 interrupts can't > work in an mp environment. =A0you need to > use either mp interrupts or msi interrupts. > since plan 9 doesn't implement msi, *nomp=3D1 > implies that only one cpu may be activated. > so a uniprocessor may still use mp interrupts. > > - erik > > --=20 SareLius